IC-213.3714.440 testFramework.jar lacks package directory entries
lib/testFramework.jar lacks package directory entries in the build IC-213.3714.440. This can be seen for example by executing `jar tvf lib/testFramework.jar`. The jar content listing of the release version (tried with 2021.2) results in package directories in stdout while there are just .class files in case of IC-213.3714.440.
This makes it impossible to use testFramework.jar by Gradle :test task if a test case refers to a superclass in testFramework.jar. Gradle takes advantage of directory entries (see https://github.com/gradle/gradle/blob/master/subprojects/testing-jvm/src/main/java/org/gradle/api/internal/tasks/testing/detection/JarFilePackageLister.java) when it builds a mapping from package names to library files. As a result, the error below will appear and the corresponding test cases will not be resolved.
[DEBUG] [org.gradle.api.internal.tasks.testing.detection.AbstractTestFrameworkDetector] test-class-scan : failed to scan parent class com/intellij/testFramework/HeavyPlatformTestCase, could not find the class file
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Could you clarify please what do you mean by "lacks of package directory entries" exactly? I see the testFramework.jar file has the same structure in 2021.2 and 2021.3 versions.
jar tf ideaIC-2021.2/lib/testFramework.jar results in a list starting with
META-INF/
META-INF/MANIFEST.MF
com/
com/intellij/
com/intellij/codeInsight/
com/intellij/codeInsight/daemon/
com/intellij/codeInsight/daemon/quickFix/
com/intellij/codeInsight/folding/
com/intellij/codeInsight/folding/impl/
com/intellij/codeInsight/unwrap/
jar tf ideaIC-LATEST-EAP-SNAPSHOT/lib/testFramework.jar results in a list starting with
_FirstInSuiteTest.class
_LastInSuiteTest.class
META-INF/intellij.platform.testFramework.kotlin_module
mockito-extensions/org.mockito.plugins.MockMaker
com/intellij/FileSetTestCase$ActualTest.class
com/intellij/FileSetTestCase.class
com/intellij/InternalTestDiscoveryListener.class
For example, if we take FileSetTestCase.class then in case of 2021.2 version there are entries com/intellij and com/intellij/FileSetTestCase.class, but in the 2021.3 EAP snapshot there only com/intellij/FileSetTestCase.class.
Another way to check the difference is listing all non-class files: jar tf lib/testFramework.jar | grep -v class
Sure, the structure is the same if the jar file is unpacked. The problem is that Gradle processes the jar file directly by iterating over ZipFileEntries and checking specifically directory entries.
Thank you for details. I've asked the developer to comment.
Created the IDEA-279572 IC-213.3714.440 testFramework.jar lacks package directory entries
issue about this problem. Please vote and subscribe to updates from the developer on it in the YouTrack. Thank you.
Related Gradle's issue: https://github.com/gradle/gradle/issues/18486
A possible workaround: add
annotation for all your base classes for testing.